56
Freedom SW Installation Guide
Battery Information
Table 8
Battery Sizing Worksheet
Appliance
(A) Power Consumption
(Watts)
(B) Operating Time per Day
(Hours)
Daily watt-hours needed for
this appliance
(= A × B)
W
hours
Wh
W
hours
Wh
W
hours
Wh
W
hours
Wh
W
hours
Wh
W
hours
Wh
W
hours
Wh
W
hours
Wh
Total daily watt-hours of AC load
Wh
× Number of days between charges
= Total watt-hours of AC load between charges
Wh
Battery Ah used between charges (divide by 10 for 12 volt system; divide by 20 for 24 volt system)
Ah
Recommended Battery Bank Size in Ah (multiply by 2)
Ah
Freedom SW 3K2K InvChg Install Guide.book Page 56 Wednesday, October 12, 2011 4:40 PM